Line a baking sheet with tinfoil and place an oven-safe rack overtop. Set aside.
In a shallow dish, whisk together the egg and milk. Set aside.
Place the Doritos in a food processor and blitz until chips resemble breadcrumbs. Empty into a second shallow dish.
Cut the chicken breasts into strips about 1″ thick.
Dredge the chicken tenders in the egg-milk mixture, and then coat completely in the Dorito crumbs.
Place the coated chicken tenders on the prepared cookie sheet.
Bake for 18-20 minutes until an inserted meat thermometer reads 165F.
Notes
Add Different Flavors: Nacho Cheese, Spicy, Flamin Hot, Sweet Chile, etc.
No Food Processor: Try using a rolling pin and a zip top bag to crush your Doritos.
Air Fryer: You can also make these in an air fryer. Cook at 400 degrees F for about 15-18 minutes, checking to make sure the internal temperature reaches 165 degrees.
Alternate ingredient: Try adding more of you favorite spices or spice blends to up the flavor of your chicken, or just use additional salt and black pepper.